Maybe if we don't need dams anymore... A neolithic henge, drowned by a dam, was recently exposed for a while due to low water levels. People could visit. I don

Maybe if we don't need dams anymore... A neolithic henge, drowned by a dam, was recently exposed for a while due to low water levels. People could visit. I don't think there was serious talk of destroying the dam, even though I doubt it would be built to day. Prevention beats cure.